scholarly journals Storability of paprika varieties measured by non-destructive acoustic method

2005 ◽  
Vol 11 (2) ◽  
Author(s):  
V. Muha ◽  
S. Istella ◽  
D. Tompos

During our experiments, the storability of paprika (Capsicum annuum) samples was measured by a non-destructive acoustic method. The aims of our work were the determination of the applicability and reproducibility of the acoustic stiffness method for paprika, the investigation of the optimum measuring conditions. In order to compare the main paprika varieties regarding shelf-life, our further aim was to follow the softening phenomenon or textural changes (i.e. changes in stiffness) of different paprika varieties measured by the non­destructive acoustic stiffness method. Five different varieties of paprika grown in hydroponics growing system were used for the measurements. All paprika varieties were stored at 20 °C for two weeks. Samples were tested on every 2nd or 3rd day. The acoustic method was found to be suitable to follow the softening of paprika samples. The characteristic frequency of the acoustic signal could be well detected and clearly separated from the other vibration peaks. Tapping the top of the paprika was observed to give a clearer and less noisy signal compared to the signal obtained by tapping the sample's shoulder. The acoustic results showed the same tendencies with regard to softening during storage as the impact method showed in our previous experiments.

Author(s):  
Marcel Ioan Bolos ◽  
Victoria Bogdan ◽  
Ioana Alexandra Bradea ◽  
Claudia Diana Sabau Popa ◽  
Dorina Nicoleta Popa

The present paper aims to analyze the impairment of tangible assets with the help of artificial intelligence. Stochastic fuzzy numbers have been introduced with a dual purpose: on one hand to estimate the cash flows generated by tangible assets exploitation and, on the other hand, to ensure the value ranges stratifications that define these cash flows. Estimation of cash flows using stochastic fuzzy numbers was based on cash flows generated by tangible assets in previous periods of operation. Also, based on the Lagrange multipliers, were introduced: the objective function of minimizing the standard deviations from the recorded value of the cash flows generated by the tangible assets, as well as the constraints caused by the impairment of tangible assets identification according to which the cash flows values must be equal to the annual value of the invested capital. Within the determination of the impairment value and stratification of the value ranges determined by the cash flows using stochastic fuzzy numbers, the impairment of assets risk was identified. Information provided by impairment of assets but also the impairment risks, is the basis of the decision-making measures taken to mitigate the impact of accumulated impairment losses on company’s financial performance.


2020 ◽  
Vol 12 (22) ◽  
pp. 9662 ◽  
Author(s):  
Disheng Yi ◽  
Yusi Liu ◽  
Jiahui Qin ◽  
Jing Zhang

Exploring urban travelling hotspots has become a popular trend in geographic research in recent years. Their identification involved the idea of spatial autocorrelation and spatial clustering based on density in the previous research. However, there are some limitations to them, including the unremarkable results and the determination of various parameters. At the same time, none of them reflect the influences of their neighbors. Therefore, we used the concept of the data field and improved it with the impact of spatial interaction to solve those problems in this study. First of all, an interaction-based spatio-temporal data field identification for urban hotspots has been built. Then, the urban travelling hotspots of Beijing on weekdays and weekends are identified in six different periods. The detected hotspots are passed through qualitative and quantitative evaluations and compared with the other two methods. The results show that our method could discover more accurate hotspots than the other two methods. The spatio-temporal distributions of hotspots fit commuting activities, business activities, and nightlife activities on weekdays, and the hotspots discovered at weekends depict the entertainment activities of residents. Finally, we further discuss the spatial structures of urban hotspots in a particular period (09:00–12:00) as an example. It reflects the strong regularity of human travelling on weekdays, while human activities are more varied on weekends. Overall, this work has a certain theoretical and practical value for urban planning and traffic management.


2021 ◽  
Vol 9 (4) ◽  
pp. 1366-1379
Author(s):  
Kevser Arman ◽  
Arzu Organ

In today's world where the importance of digitalization is increasing day by day, companies to increase their competitiveness have focused on digital supply chain instead of traditional supply chain. In a world where resources are constantly decreasing, the concept of sustainability has become very crucial in every part of life. Digital technologies, on the other hand, have a direct relationship with sustainability. Sustainability has three main dimensions: economic, environmental, and social. Therefore, the aim of this study is to evaluate digital supply chain on 3 basic dimensions of sustainability. For this purpose, Fuzzy Best Worst Method (F-BWM) was used to define the importance level of criteria. Findings reveal that the concept of sustainability in textile firms in Turkey is generally perceived within an economic and environmental area, rather than within a social dimension. This study is very important in putting forward digital technologies which utilizing in supply chain and the impact of the digital supply chain on sustainability.


Author(s):  
Stanisław BACIOR ◽  
Barbara PRUS ◽  
Małgorzata DUDZIŃSKA

The developed, innovative method of estimating the impact of motorway on agricultural land allows determination of all the losses associated with the directions of this impact. The basis for the determination of losses is the analysis of variability in land use and the quality classes and location of access roads to the land along the axis of the planned motorway. The approved measure of the multidirectional impact of the motorway on agricultural land is a change in the value of land, which is designated taking into account the differentiation of their suitability for agricultural production. The developed method of determining the impact of motorway on agricultural land was presented on the example of A4 motorway section between Bratkowice and Mrowla. The existing section of motorway was assessed and then for the same section the calculations were made again, but with an alternative location of the motorway overpasses. In the case of the existing section, the construction of one kilometer of the section of motorway under consideration will result in a reduction in the value of agricultural land of 1725 cereal units. Acquisition of land for the construction of the motorway and its negative impact cover about 69% of the total reduction in value of agricultural land. The remaining 31% of the land value reduction is related to the increase in transport and the deterioration of the parcels layout. On the other hand, in the case of the section with alternative arrangement of viaducts, the value of agricultural land is reduced of 1538 cereal units. Acquisition of land under construction and its toxic impact will be equal 75%, while the combined effect of transport growth and deterioration of the layout makes 25%.


2019 ◽  
Vol 25 (3) ◽  
pp. 348
Author(s):  
Darto Wahidin

ABSTRACT This study aimed to described the transformation of the batik creative industry and identified the impact of the transformation of the batik creative industry in order to increased the resilience of batik fabric crafts in Giriloyo Hamlet, Wukirsari Village, Imogiri District, Bantul Regency, Special Region of Yogyakarta.This type of research used a qualitative approach, the research design used was phenomenology. The determination of the informants in this study was carried out by means of a purposive sampling that was chosen with specific considerations and objectives. Data obtained from various sources namely, observation, in-depth interviews, documentation, and online studies. Data analysis in this study refered to the interactive analysis model proposed by Miles and Huberman.The results of this study found that the transformation that occurred in Giriloyo batik could be seen from the development of Giriloyo batik before and now that caused the transformation in the Giriloyo batik fabric craft. Forms of transformation that occured in the grip, motives, colors, marketing, and economics. During this time entrepreneurs and craftsmen in transforming the craft of batik cloth were facing various kinds of challenges. The results of transformation could be seen in the development of Giriloyo batik motifs and colors that had experienced combinations. The impact of the Giriloyo batik motif transformation on the resilience of batik fabric crafts could be seen from the increased production of batik fabrics and a more secure welfare. However, on the other hand there was pollution caused by the waste of the batik industry and the plagiarism of batik cloth. The strategy in increasing the resilience of Giriloyo batik fabric craft was carried out to faced the onslaught of batik originating from abroad, so that Giriloyo batik fabric craft could survive and be competitive.ABSTRAK             Penelitian ini mempunyai tujuan untuk mendeskripsikan transformasi industri kreatif batik dan mengidentifikasi dampak transformasi industri kreatif batik dalam rangka peningkatan ketahanan kerajinan kain batik di Dusun Giriloyo, Desa Wukirsari, Kecamatan Imogiri, Kabupaten Bantul, Daerah Istimewa Yogyakarta.            Jenis penelitian ini menggunakan pendekatan kualitatif, desain penelitian yang digunakan fenomenologi. Penentuan informan dalam penelitian ini dilakukan dengan cara purposive sampling yang dipilih dengan pertimbangan dan tujuan tertentu. Data diperoleh dari berbagai sumber, yakni observasi, wawancara mendalam, dokumentasi, dan studi online. Analisis data dalam penelitian ini mengacu pada model analisis interatif yang dikemukakan oleh Miles dan Huberman.Hasil penelitian ini menemukan bahwa transformasi yang terjadi pada batik Giriloyo dapat dilihat dari perkembangan batik Giriloyo dulu dan sekarang yang menyebabkan terjadinya transformasi pada kerajinan kain batik Giriloyo. Bentuk transformasi yang terjadi pada pakem, motif, warna, pemasaran, dan ekonomi. Selama ini pengusaha dan perajin dalam mentransformasi kerajinan kain batik tersebut menghadapi berbagai macam tantangan. Hasil transformasi bisa dilihat pada pengembangan motif dan warna batik Giriloyo yang telah mengalami kombinasi. Dampak dari adanya transformasi motif batik Giriloyo terhadap ketahanan kerajinan kain batik dapat dilihat dari adanya peningkatan produksi kain batik dan kesejahteraan yang lebih terjamin. Namun, di sisi lain terjadinya pencemaran akibat limbah industri batik dan adanya penjiplakan kain batik tulis. Strategi dalam peningkatan ketahanan kerajinan kain batik Giriloyo dilakukan untuk menghadapi gempuran batik yang berasal dari luar negeri, agar kerajinankain batik Giriloyo tetap bertahan dan dapat bersaing.


2008 ◽  
Vol 19 (1) ◽  
pp. 43
Author(s):  
K. TAMM ◽  
T. VÕSA ◽  
V. LOKO

In increasingly competitive conditions, the dominant trend of enlarging the production area of farms is causing a growth in transportation costs making the profitability of cultivating distant plots questionable. The aim of this study was to provide a method to evaluate the rationality of using a plot depending on its distance, area and cultivation technology. An algorithm and a mathematical model were composed to calculate the total costs depending on the distance to the plot. The transportation costs of machines and materials, cost of organisational travel and timeliness costs are taken into account in the model to enable determination of the maximum distance or the minimum area of the plot necessary for profitable cultivation. Simulations allow us to conclude that the growth in yield and selling price of the production allow an increase in the limit value of driving costs and, thus, the profitable distance of the plot; on the other hand, it means also an increase of timeliness costs as a limitation for extending distance. Exploitation of more distant plots can be uneconomical in coming years because of increasing fuel costs.;


2019 ◽  
Vol 91 (2) ◽  
Author(s):  
Radosław Jasiński ◽  
Łukasz Drobiec ◽  
Wojciech Mazur

Non-destructive methods (NDT) in masonry made of autoclaved aerated concrete (AAC) are not used as commonly as in concrete or reinforced concrete constructions. The porous structure and sensitivity to atmospheric factors, especially humidity, makes it necessary to determine the compressive strength of the wall in existing and used objects. The article presents a proposal of a semi-non-destructive method for determining the compressive strength of AAC, and then a wall made with thin-layer joints. An empirical curve developed for cellularconcrete with nominal density classes 400, 500, 600 and 700 in an air-dry condition was used for calibration.In addition, an empirical relationship was developed to take into account the impact of ABK moisture.


2020 ◽  
Vol 30 (1) ◽  
pp. 43-52
Author(s):  
Bartosz Szostak ◽  
Maciej Trochonowicz ◽  
Mateusz Kowalczyk

AbstractTo assess the technical condition of a structure and design it using existing elements, it is necessary to know its parameters. For existing facilities, it is often not possible to get a sample of material and examine it directly in the laboratory. For this reason, in situ nondestructive testing is very important.The main goal of the paper is to present the issues related to determining the strength parameters of a particular wood based on the non-destructive sclerometric test performed with a wood sclerometric hammer. The study also presents the results of the impact of pinewood density on its compressive strength.


2015 ◽  
Vol 801 ◽  
pp. 323-327
Author(s):  
Liviu Bereteu ◽  
Eva Nyaguly ◽  
Gheorghe Drăgănescu ◽  
Dorin Simoiu

Coating is an application of a surface finish to another material and it provides the surfaces of manufactured parts with a number of desirable physical, chemical, and appearance qualities. Nearly all manufactured or fabricated products made of metal or having metal components have some types of surface coating. The coating increases sturdiness, prevents corrosion, provides hardness, or gives an attractive finish to an object. The amount of coating applied to a material, that is, the coating thickness, is crucial to the product’s final use and cost. On the other hand, in the case of surfaces subjected to wear, the same thickness is very important in the life of the product. There are several non-destructive methods of measuring coating thickness. The aim of this paper is the development and validation of an impulse excitation technique and laser measurements to determine coating thickness of metallic or nonmetallic surface.


2017 ◽  
Vol 141 (5) ◽  
pp. 3831-3831 ◽  
Author(s):  
Giuseppe Rosi ◽  
Vu-Hieu Nguyen ◽  
Antoine Tijou ◽  
Romain Bosc ◽  
Guillaume Haiat

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